hilly areas around the Dongting Lake
Ecological environment near the lake
favour for both the river and the lake
fluctuation of the lake surface
index of the lake loss intensity
relationship between the river and the lake
shedding of the the physical body
the area of Dongting Lake
the east Dongting Lake wetland
the Lake Qinghai Watershed
the protection forest around Dongting Lake
the regions around Qinghai Lake
the The Middle Line Project of Transferring Water from the South to the North